I have similiar issue to tiarnia. When I double-click launch in server folder, it gives me this:
"C:\Documents and Settings\Marek\Pulpit\tekkitserver>java -Xmx3G -Xms2G -jar Tekk
it.jar nogui
Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
C:\Documents and Settings\Marek\Pulpit\tekkitserver>pause
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Yes, I have read all topic.